OpenTechnical

OT-2026-000089338

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000089338) never changes.

Identity and time

Publication numberOT-2026-000089338 · never reused
Internal UUID01a0ae9b-db01-75a6-b6a3-3765c78c62a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089338
StatusPUBLIC

Content hashes

Canonical textdc6d816f363c5ff185718aafee94a5c6b5a8b4a0f29445ef5a4eac64a1981531
Markdown1626c5d5c8306d83a7a09f2577358b8dc9e116fbf5f61677045b0cce1c5b6261
PDF
Publication page12f72f7e22f74807fc382eb99620515654cac57610d7e2d421802aa65e68366e
Manifest9b97da4563d9be90769d2ad5b93ecd0f72f4bbb51c9590537a2f8ff0e3bbb71f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureCv95lZy5izlMgl/cn6ml+JxCibJp8uMYJKC4Lo4WFctVgYUXdD/jrIMxmtiP6avJ2EoY5UJQHNVjO9MYtbt5Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:23.599455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089338
observed 12f72f7e22f74807fc382eb996205156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.582907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089338/manifest.json
observed 9b97da4563d9be90769d2ad5b93ecd0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.565913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089338/publication.md
observed 1626c5d5c8306d83a7a09f2577358b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.546131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089338/publication.txt
observed dc6d816f363c5ff185718aafee94a5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.